ATMEGA1280V-8AUR vs ATMEGA640V-8AUR 对比
详细并排对比 ATMEGA1280V-8AUR 出自 Microchip Technology 和 ATMEGA640V-8AUR 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA1280V-8AUR - 8MHz 128KB Flash AVR MCU | Microchip (Tape & Reel)
ATMEGA1280V-8AUR ✓ 量产中Microchip Technology
ATMEGA640V-8AUR - 8-bit AVR MCU 64KB Flash 8MHz TQFP-100 | Microchip
ATMEGA640V-8AUR ✓ 量产中规格对比
| 参数 | ATMEGA1280V-8AUR | ATMEGA640V-8AUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| Core Processor | AVR | AVR 8-bit RISC |
| Core Size | 8-Bit | 8-bit |
| Max Clock Speed | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16) | — |
| SRAM | 8 KB | — |
| EEPROM | 4 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| Number of I/O | 86 | 86 |
| Timers/Counters | 6 (with compare modes and PWM) | Six flexible timer/counters |
| USART | 4 | 2/4 programmable serial USART |
| Communication Interfaces | I2C (TWI), SPI, 4x USART | — |
| ADC Channels | 16-channel, 10-bit | 8/16 |
| Instructions | 133 instructions, most single-cycle | — |
| Working Registers | 32 x 8-bit general purpose | — |
| 封装 | 100-TQFP (14 x 14 mm, 1.0 mm height) | 100-TQFP (14 x 14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Programming | In-System Programmable (ISP) | — |
| Watchdog Timer | Yes, with internal oscillator | Programmable, separate on-chip oscillator |
| 生命周期状态 | Active | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | Compliant (GREEN per FindIC listing) |
| 最大时钟频率 | — | 8 MHz |
| Flash Memory Size | — | 64 KB (32K x 16) |
| SRAM Size | — | 8 KB |
| EEPROM Size | — | 4 KB |
| ADC Resolution | — | 10-bit |
| Connectivity | — | EBI/EMI, I2C (TWI), SPI, UART/USART |
| General Purpose Working Registers | — | 32 |
| Packaging | — | Tape & Reel (TR) |
| Analog Comparator | — | On-chip |